Attach flag to use virtual context for WebGraphicsContext3D

content/common/gpu/client/gpu_channel_host.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_H_
 #define CONTENT_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 107 matching lines @@
   // IPC::Sender implementation:
   virtual bool Send(IPC::Message* msg) OVERRIDE;
 
   // Create and connect to a command buffer in the GPU process.
   CommandBufferProxyImpl* CreateViewCommandBuffer(
       int32 surface_id,
       CommandBufferProxyImpl* share_group,
       const std::string& allowed_extensions,
       const std::vector<int32>& attribs,
       const GURL& active_url,
+      bool use_virtual_gl_context,
       gfx::GpuPreference gpu_preference);
 
   // Create and connect to a command buffer in the GPU process.
   CommandBufferProxyImpl* CreateOffscreenCommandBuffer(
       const gfx::Size& size,
       CommandBufferProxyImpl* share_group,
       const std::string& allowed_extensions,
       const std::vector<int32>& attribs,
       const GURL& active_url,
+      bool use_virtual_gl_context,
       gfx::GpuPreference gpu_preference);
 
   // Creates a video decoder in the GPU process.
   // Returned pointer is owned by the CommandBufferProxy for |route_id|.
   GpuVideoDecodeAcceleratorHost* CreateVideoDecoder(
       int command_buffer_route_id,
       media::VideoCodecProfile profile,
       media::VideoDecodeAccelerator::Client* client);
 
   // Destroy a command buffer created by this channel.
@@ skipping 96 matching lines @@
 
   // Transfer buffer IDs are allocated in sequence.
   base::AtomicSequenceNumber next_transfer_buffer_id_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuChannelHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_H_